Fernández-Olmos M, Dejo-Oricain N, Rosell-Martínez J. Product differentiation strategy and vertical integration: an application to the DOC Rioja wine industry. JBEM [Internet]. 2016 Oct. 27 [cited 2025 Aug. 24];17(5):796-809. Available from: https://btp.vilniustech.lt/index.php/JBEM/article/view/2269